50660f634f
- app.js: TTS kiosk timeout 4s → 10s; fires interactive 'Hai sentito?' YES/NO prompt instead of showing error (TTS can take 6-8s; UtteranceProgressListener may not fire on all firmware); YES → success, NO → troubleshooting steps - translations: add heard_question/heard_yes/heard_no/test_ok_kiosk/test_fail_steps to all 5 languages (it/en/de/fr/es) under settings.tts - api/index.php: fix end() PHP 8.0+ reference error in _offFetchProduct() (categories_hierarchy stored in temp var before calling end()) (fixes #130) - api/database.php: migrateDB() now checks sqlite_master for 'products' table; if missing, calls initializeDB() and returns — no ALTER on nonexistent table (fixes #133, covers #131) - api/index.php: health_check db_row_count query guarded against missing inventory table (fixes #131)